DE3667969D1 - Reinigung von roher terephthalsaeure. - Google Patents
Reinigung von roher terephthalsaeure.Info
- Publication number
- DE3667969D1 DE3667969D1 DE8686307680T DE3667969T DE3667969D1 DE 3667969 D1 DE3667969 D1 DE 3667969D1 DE 8686307680 T DE8686307680 T DE 8686307680T DE 3667969 T DE3667969 T DE 3667969T DE 3667969 D1 DE3667969 D1 DE 3667969D1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning
- terephthalic acid
- raw terephthalic
- raw
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78532285A | 1985-10-07 | 1985-10-07 | |
US90576686A | 1986-09-10 | 1986-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3667969D1 true DE3667969D1 (de) | 1990-02-08 |
Family
ID=27120389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686307680T Expired - Fee Related DE3667969D1 (de) | 1985-10-07 | 1986-10-03 | Reinigung von roher terephthalsaeure. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0222500B1 (de) |
KR (1) | KR900006440B1 (de) |
CN (1) | CN1020894C (de) |
DE (1) | DE3667969D1 (de) |
ES (1) | ES2013246B3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989009357A1 (en) * | 1988-03-25 | 1989-10-05 | Amoco Corporation | Seal for rotatable shaft |
RU2146172C1 (ru) | 1999-07-29 | 2000-03-10 | Институт катализа им.Г.К.Борескова СО РАН | Каталитическая композиция, способ ее приготовления и способ очистки терефталевой кислоты |
KR20020046902A (ko) * | 2000-12-14 | 2002-06-21 | 유현식 | 수소화 정제용촉매 및 정제방법 |
ES2278267T3 (es) * | 2004-12-15 | 2007-08-01 | Saudi Basic Industries Corporation | Proceso para preparar acido tereftalico purificado. |
CN101450308B (zh) * | 2007-11-28 | 2012-05-09 | 中国石油化工股份有限公司 | 一种炭负载型贵金属催化剂及其制备方法 |
MX2012003378A (es) * | 2009-09-30 | 2012-05-08 | Bp Corp North America Inc | Hidrogenacion catalitica del carboxiarilaldehido y su uso para purificar el acido tereftalico sin refinar. |
CN103467279A (zh) * | 2013-08-30 | 2013-12-25 | 中国石油化工股份有限公司 | 一种精对苯二甲酸的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1578725A (en) * | 1977-03-02 | 1980-11-05 | Johnson Matthey Co Ltd | Catalytic process for the purification of terephthalic acid |
US4467110A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
-
1986
- 1986-10-03 ES ES86307680T patent/ES2013246B3/es not_active Expired - Lifetime
- 1986-10-03 EP EP86307680A patent/EP0222500B1/de not_active Expired - Lifetime
- 1986-10-03 DE DE8686307680T patent/DE3667969D1/de not_active Expired - Fee Related
- 1986-10-07 CN CN86106971A patent/CN1020894C/zh not_active Expired - Fee Related
- 1986-10-07 KR KR1019860008397A patent/KR900006440B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0222500B1 (de) | 1990-01-03 |
ES2013246B3 (es) | 1990-05-01 |
CN86106971A (zh) | 1987-04-08 |
CN1020894C (zh) | 1993-05-26 |
KR870003964A (ko) | 1987-05-06 |
EP0222500A1 (de) | 1987-05-20 |
KR900006440B1 (ko) | 1990-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |